Personalized Autism Awareness I'm Her Voice She Is My Heart T-Shirt. Introducing the "I Am His Voice He Is My Heart" design, a powerful expression of autism awareness. This design showcases a puzzle heart, symbolizing the complexity and uniqueness of individuals with autism. It serves as an ideal gift idea for moms, mothers, aunts, sisters, and daughters who are passionate about supporting autism awareness. Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.